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Security report for appt.link

Appointlet · Technology · N/a

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

67/100

Risk levelMedium

0–100, higher is better. How it is calculated

Appointlet is a professional online appointment scheduling software provider targeting client-focused professionals and teams across various sectors including education, retail, healthcare, finance, and real estate. The platform offers a comprehensive suite of scheduling tools including calendar integrations, customizable booking pages, automated reminders, and team scheduling features. The website is well-designed, mobile-optimized, and rich in content, reflecting a mature SaaS business model with a strong market presence and positive user ratings. Technically, the site is built on WordPress with Elementor and leverages modern web technologies and multiple analytics and marketing tools, indicating a robust digital infrastructure. Security posture is good with HTTPS and bot protection via reCAPTCHA, though explicit security headers and privacy compliance mechanisms like cookie consent banners could be improved. WHOIS data is unavailable, which slightly reduces domain trustworthiness but does not detract significantly from the overall legitimacy of the business.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

7 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

Need hands-on remediation? Email guard@offseq.com

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
47
Security headers
40
Email security
80
DNS health
80
Network security
100
GDPR outside view
53
Average
67

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Appointlet positions itself as a simple, affordable, and customizable scheduling solution trusted by over 100,000 organizations worldwide. Its business model is SaaS subscription-based with free trials and demos to attract users. The company targets a broad audience including educators, retail services, healthcare providers, legal and financial firms, recruiters, and customer success teams. The presence of an affiliate program and integration with major platforms like Google Calendar, Zoom, and CRM systems indicates a strong partnership ecosystem. The website's content and marketing strategy emphasize ease of use, customization, and professional scheduling, which are competitive advantages in the appointment scheduling market.

Security posture

The website demonstrates a good security maturity level with enforced HTTPS, use of Google reCAPTCHA v3 to mitigate bots, and secure customer communication via Intercom. No sensitive data is exposed in the HTML content. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options represents a gap in best practices. There is no publicly available security policy or incident response contact information, and no vulnerability disclosure program is evident. Privacy compliance is partial, lacking a visible cookie consent mechanism, which could pose regulatory risks under GDPR and similar frameworks.

Recommendations

  1. Implement explicit security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Add a visible cookie consent banner and detailed cookie policy to improve privacy compliance and user transparency.
  3. Publish a dedicated security policy and provide clear incident response contact channels to build trust and readiness.
  4. Consider establishing a vulnerability disclosure program or security.txt file to encourage responsible reporting of security issues.
  5. Regularly audit third-party scripts and integrations to minimize potential vulnerabilities and data leakage.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Appointlet
Description
Appointlet is an online appointment scheduling software designed to simplify meeting scheduling for client-focused professionals. It offers customizable booking pages, calendar integrations, automated invites and reminders, and team scheduling capabilities.
Key services
Online appointment scheduling, Calendar integrations (Google, Outlook, Office 365), Video conferencing integration, CRM and sales integrations, Marketing and email/SMS integrations, Team scheduling and management, Customizable booking pages
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress 6.8.1, Elementor 3.29.2, jQuery 3.7.1, Tailwind CSS, Google Tag Manager, Google Analytics, Microsoft Bing tracking, Hotjar, Intercom, ProfitWell, reCAPTCHA v3, Tapfiliate
Frameworks
WordPress, Elementor
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Google reCAPTCHA v3 for bot protection
  • Intercom for secure customer communication
  • No exposed sensitive data in HTML
  • Use of security and analytics scripts loaded asynchronously

Analytics and tracking

Services
Google Analytics, Microsoft Clarity, Hotjar, ProfitWell
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Bing Ads
Tracking pixels
Hotjar, Microsoft Clarity, ProfitWell
Marketing tools
Intercom
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is rich, well-structured, and professionally designed.
  3. Strong presence of social media and trust signals.
  4. No explicit cookie consent banner found, which may impact privacy compliance.
  5. WHOIS data is missing or unavailable, limiting domain registration transparency.
  6. Multiple integrations and marketing tools are used, indicating mature digital marketing strategy.
  7. Security best practices are partially implemented but could be improved with explicit headers and policies.
Technical notes

Notes

The website is built on a modern WordPress CMS with Elementor page builder, using Tailwind CSS for styling and jQuery for scripting. It integrates multiple third-party services including Google Analytics, Microsoft Clarity, Hotjar, Intercom, ProfitWell, and Tapfiliate, reflecting a sophisticated marketing and analytics infrastructure. The site is mobile-optimized, fast-loading, and SEO-friendly with proper meta tags and structured data (JSON-LD). However, the hosting provider is not explicitly identified. The technical implementation is robust but could benefit from enhanced security header configurations and improved privacy mechanisms.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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